Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / clang / test / CodeGen / SystemZ / systemz-abi.cpp
blob08bf08c3803f49ed6fdcf2d16435d871b352d22d
1 // RUN: %clang_cc1 -triple s390x-linux-gnu -emit-llvm -x c++ -o - %s | FileCheck %s
2 // RUN: %clang_cc1 -triple s390x-linux-gnu -emit-llvm -x c++ -o - %s -mfloat-abi soft \
3 // RUN: | FileCheck %s --check-prefix=SOFT-FLOAT
5 // Verify that class types are also recognized as float-like aggregate types
7 class agg_float_class { float a; };
8 class agg_float_class pass_agg_float_class(class agg_float_class arg) { return arg; }
9 // CHECK-LABEL: define{{.*}} void @_Z20pass_agg_float_class15agg_float_class(ptr noalias sret(%class.agg_float_class) align 4 %{{.*}}, float %{{.*}})
10 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z20pass_agg_float_class15agg_float_class(ptr noalias sret(%class.agg_float_class) align 4 %{{.*}}, i32 %{{.*}})
12 class agg_double_class { double a; };
13 class agg_double_class pass_agg_double_class(class agg_double_class arg) { return arg; }
14 // CHECK-LABEL: define{{.*}} void @_Z21pass_agg_double_class16agg_double_class(ptr noalias sret(%class.agg_double_class) align 8 %{{.*}}, double %{{.*}})
15 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z21pass_agg_double_class16agg_double_class(ptr noalias sret(%class.agg_double_class) align 8 %{{.*}}, i64 %{{.*}})
18 // This structure is passed in a GPR in C++ (and C, checked in systemz-abi.c).
19 struct agg_float_cpp { float a; int : 0; };
20 struct agg_float_cpp pass_agg_float_cpp(struct agg_float_cpp arg) { return arg; }
21 // CHECK-LABEL: define{{.*}} void @_Z18pass_agg_float_cpp13agg_float_cpp(ptr noalias sret(%struct.agg_float_cpp) align 4 %{{.*}}, i32 %{{.*}})
22 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z18pass_agg_float_cpp13agg_float_cpp(ptr noalias sret(%struct.agg_float_cpp) align 4 %{{.*}}, i32 %{{.*}})
25 // A field member of empty class type in C++ makes the record nonhomogeneous,
26 // unless it is marked as [[no_unique_address]]. This does not apply to arrays.
27 struct empty { };
28 struct agg_nofloat_empty { float a; empty dummy; };
29 struct agg_nofloat_empty pass_agg_nofloat_empty(struct agg_nofloat_empty arg) { return arg; }
30 // CHECK-LABEL: define{{.*}} void @_Z22pass_agg_nofloat_empty17agg_nofloat_empty(ptr noalias sret(%struct.agg_nofloat_empty) align 4 %{{.*}}, i64 %{{.*}})
31 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z22pass_agg_nofloat_empty17agg_nofloat_empty(ptr noalias sret(%struct.agg_nofloat_empty) align 4 %{{.*}}, i64 %{{.*}})
32 struct agg_float_empty { float a; [[no_unique_address]] empty dummy; };
33 struct agg_float_empty pass_agg_float_empty(struct agg_float_empty arg) { return arg; }
34 // CHECK-LABEL: define{{.*}} void @_Z20pass_agg_float_empty15agg_float_empty(ptr noalias sret(%struct.agg_float_empty) align 4 %{{.*}}, float %{{.*}})
35 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z20pass_agg_float_empty15agg_float_empty(ptr noalias sret(%struct.agg_float_empty) align 4 %{{.*}}, i32 %{{.*}})
36 struct agg_nofloat_emptyarray { float a; [[no_unique_address]] empty dummy[3]; };
37 struct agg_nofloat_emptyarray pass_agg_nofloat_emptyarray(struct agg_nofloat_emptyarray arg) { return arg; }
38 // CHECK-LABEL: define{{.*}} void @_Z27pass_agg_nofloat_emptyarray22agg_nofloat_emptyarray(ptr noalias sret(%struct.agg_nofloat_emptyarray) align 4 %{{.*}}, i64 %{{.*}})
39 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z27pass_agg_nofloat_emptyarray22agg_nofloat_emptyarray(ptr noalias sret(%struct.agg_nofloat_emptyarray) align 4 %{{.*}}, i64 %{{.*}})
41 // And likewise for members of base classes.
42 struct noemptybase { empty dummy; };
43 struct agg_nofloat_emptybase : noemptybase { float a; };
44 struct agg_nofloat_emptybase pass_agg_nofloat_emptybase(struct agg_nofloat_emptybase arg) { return arg; }
45 // CHECK-LABEL: define{{.*}} void @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(ptr noalias sret(%struct.agg_nofloat_emptybase) align 4 %{{.*}}, i64 %{{.*}})
46 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z26pass_agg_nofloat_emptybase21agg_nofloat_emptybase(ptr noalias sret(%struct.agg_nofloat_emptybase) align 4 %{{.*}}, i64 %{{.*}})
47 struct emptybase { [[no_unique_address]] empty dummy; };
48 struct agg_float_emptybase : emptybase { float a; };
49 struct agg_float_emptybase pass_agg_float_emptybase(struct agg_float_emptybase arg) { return arg; }
50 // CHECK-LABEL: define{{.*}} void @_Z24pass_agg_float_emptybase19agg_float_emptybase(ptr noalias sret(%struct.agg_float_emptybase) align 4 %{{.*}}, float %{{.*}})
51 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z24pass_agg_float_emptybase19agg_float_emptybase(ptr noalias sret(%struct.agg_float_emptybase) align 4 %{{.*}}, i32 %{{.*}})
52 struct noemptybasearray { [[no_unique_address]] empty dummy[3]; };
53 struct agg_nofloat_emptybasearray : noemptybasearray { float a; };
54 struct agg_nofloat_emptybasearray pass_agg_nofloat_emptybasearray(struct agg_nofloat_emptybasearray arg) { return arg; }
55 // CHECK-LABEL: define{{.*}} void @_Z31pass_agg_nofloat_emptybasearray26agg_nofloat_emptybasearray(ptr noalias sret(%struct.agg_nofloat_emptybasearray) align 4 %{{.*}}, i64 %{{.*}})
56 // SOFT-FLOAT-LABEL: define{{.*}} void @_Z31pass_agg_nofloat_emptybasearray26agg_nofloat_emptybasearray(ptr noalias sret(%struct.agg_nofloat_emptybasearray) align 4 %{{.*}}, i64 %{{.*}})